[  872.053695][T20432] bond0: (slave eth0): making interface the new active one
[  872.054223][T20432] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.094750][T20433] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.313331][T20436] bond0: (slave eth0): Releasing backup interface
[  876.466545][T20439] bond0: (slave eth0): Enslaving as an active interface with an up link
[  876.502820][T20440] 8021q: adding VLAN 0 to HW filter on device bond0
[  880.674532][   T12] bond0: (slave eth0): Releasing backup interface
[  880.746604][   T12] bond0 (unregistering): Released all slaves